A 1.5-pJ/bit, 9.04-Mbit/s Carrier-Width Demodulator for Data Transmission Over an Inductive Link Supporting Power and Data Transfer
Why this work is in the frame
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Bibliographic record
Abstract
This brief relates to a novel approach for downlink data transmission based on a carrier-width modulation (CWM). This modulation technique offers high performances and allows simultaneous data and power transmission over a single 27.12-MHz inductive link. A CWM demodulator is designed and fabricated in 130-nm CMOS technology. The proposed demodulator is intended for implantable medical devices, but can be applicable to other wireless systems. Excellent measurement results are obtained in comparison with state-of-the-art demodulators used in inductive communication systems. The proposed demodulator that was designed, fabricated, and tested provides high data rates at an ultra-low power budget and a very small silicon area of 2100 μm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> . More specifically, a data rate of 9.04 Mb/s can be achieved at a cost of only 13.68 μW power consumption. This represents an energy efficiency of 1.5 pJ/bit, which is 8 times smaller than the best state-of-the-art competitive demodulator.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.002 |
| Open science | 0.002 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it